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High pitch whistle in acadia when moving - 2011 GMC Acadia

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Posted on Jan 02, 2017

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SOURCE: high pitch whistling noise in engine compartment of 2005 envoy

There may be a small hole or cut in a vacum line or possibly just loose. Also make sure the air filter box and the big hose to it are secure and clamps etc are tight. Pulleys and belts can make a high pitch sound also.

Posted on Mar 22, 2009

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SOURCE: high pitch whistle

spray water on belts and see if noise gon

Posted on Nov 02, 2009

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